package com.yunji.system.filter;

import com.yunji.common.model.dto.LoginInfo;
import com.yunji.common.utils.SecurityUtils;
import com.yunji.common.utils.bean.BeanUtils;
import com.yunji.system.service.TokenService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * token过滤器 验证token有效性
 *
 * @author yunji
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
    @Autowired
    private TokenService tokenService;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws ServletException, IOException {
        LoginInfo info = tokenService.getLoginUser();
        if (BeanUtils.isNotNull(info) && BeanUtils.isNull(SecurityUtils.getAuthentication())) {
            tokenService.verifyToken(info);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(info, null, info.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }
        chain.doFilter(request, response);
    }
}
